Brush



Feb. 21, 1928.

1,659,707 w. H. RUDOLPH ET AL BRUSH Filed Nov. 10, 1922 Patented Feb.21,1928. i I a j uNir-EofsrArEs PATENT oFFics,

WALTER H. RUDOLPH, or wns'r HARTFORD, AND LOUIS v.LUCIA,YIOFYQHA1IQITFORD, Con- NECTICUT, AssIGn'ons TO THE FULLER BRUSHCOMPANY, or HARTFORD, connEcrrIoUr; A CORPORATION or CONNECTICUT.

' BnUsH.

Application filed November 10, 1922. Serial No. 600,029.

Our invention relates more especially to plane substantially at rightangles to the 7 that type of, brushes in which the bristles axis of thecore 8. The preferred form of 65 are secured to a core composed of wirethis portion 11 will be curved to comprise a twisted to shape, thebristles being secured portion of or a complete circle or ring 14,

to the core in the twisting operation, and an as shown in Figure 41: ofthe drawings, the

object of our invention, among others, is to arms of the core 8, whenthe brush is formedprovide in an efficient and economical manas lastdescribed, being coincident with the 60 ner a tuft forming the end ofthe brush axis-of the ring 14:. I structure. I/Vhen the portion 11 isthus formed and One form of brush embodying our invenbent as justdescribed a tuft will be 10- tion and in the construction and use ofcated at the end of the body 12, as illustratwhich the objects hereinsetout, as well as ed in Figure 1 of the drawings, the brush others,maybe attained, is illustrated in the thus having at its extreme endbristles proaccompanying drawings, in which jectingin all directions,whereby the end of 15 Figure 1 is a side view of a brush embodythe brushis suitably formed for cleaning ing our invention, purposes as well asthe sides of the body 12.

Figure 2 is an end View of the same. In that structure illustrated inFigure 6 Figure 3 is a side view of the-brush as the core 8 and body 12are-formed as above it appears at an intermediate step in its described,the core being formed into a ring 20 formation. located in a plane atright angles to the core, Figure 4:is a view illustrating the shape ashereinbefore described. This tip of the of the core as finally formed.brush, however, is not reduced in size but 7 Figure 5 is an end View ofthe structure it is maintained, in the trimming operation, shown inFigure 4;. of the same size as the body of the brush, 3 25 Figure 6shows a modified form of the with a result that a tuft is produced, asilbrush. lustrated in Figure 6.

In the accompanying drawings the nu- In accordance with the provisionsof the meral 8 indicates the core of our improved patent statutes wehave described the prinbrush having bristles 9 projecting radiallyclples of operation of our invention, to- 30 therefrom, this corecomprising strands of gether with the device which we now conwire,preferably two, that may consist of sider to represent the bestembodiment separate pieces of wire, or a single piece thereof; but wedesire to have it understood folded backwardly upon itself, and thatare, that the device shown is only illustrative twisted together, thebristles being secured and that the invention may be carried out 5 inplace during the twisting operation and by such other means and appliedto such consequently being spirally arranged, as uses other than thoseabove set out as fall shown in the drawings. The core 8 may be Withinthe scope of appended claims. secured in a handle 10 in any ordinary WayWe claim and the manner of formation of the brush 1. A brush comprisinga twisted wire core 40 thus far described is old and well known. 'withbristles secured thereto, a ring formed In carrying out our inventionthe tip porof the core at its tip, said ring being 10- tion 11 of thetwisted wire core is extended cated in a plane at right angles to theaxis beyond the main part or body 12 of the of the core.

brush, bristles being secured to this core in 2. A brush comprising abody including the same manner as in the formation of the a core withbristles secured thereto, and terbody. The tip section 13 thus formed isminating in a tip including a core with bristrimmed to a smallerdiameter than the body tles secured thereto and smaller in size than 12,and as illustrated in Figure 3 of the the body and formed into the shapeof a drawings. ring located in-a plane at right angles to After thistrimming operation the portion the axis of the body and withbristlespro- 11 of the core is bent into such suitable form jectingradially from said ring-shaped core.

as may be desired, and this portion is then 3. A brush comprising atwisted wire core further bent so that it will be located in a with abody formed of bristles secured to said core and a tip of similar formand combody and tip, and spirally arranged bristles 7 posed of bristles,but with the tip small-er carried by the .core and extending the fullthan said body, said tip being bent into len th thereof the'ti-ppoitibno't the core 10 "ring form and located in a plane at right anbristles being bent into a loop in a angles to, the axis of the body. a.plane transversely of the bod. portion. I r 4'. A bf'ush comprising abodyanct tip, a vVALTER H." iUDO'LPH,

single continuous twisted iv'ii'e COI i i" the LOUIS LUCIA;

